Wednesday, April 8, 2020
Thursday, December 5, 2019
Skill Enhancement Courses (SEC) python language
Question Set 1
- What is high level language?
- Comparison of high level language and machine level language.
- What do you mean by compiler?
- Advantages and disadvantages of flowchart.
- Advantages and disadvantages of algorithm.
- Flowchart/algorithm- i) odd/even checking ii) prime number checking iii) factorial of a number iv) Fibonacci series
- Data type- int, char, float.
- What do you mean by type casting?
- Example of logical operator and bitwise operator.
- Difference between while loop and do-while loop.
- Difference between while loop and for loop.
- Difference between break and continue.
- Difference between variable declaration and variable definition.
- Explain if and nested if.
- Explain loop and nested loop.
- WAP to display the first n terms of Fibonacci series.
- WAP to reverse a number.
- WAP to calculate the sum and product of digit of a number. CLICK
- WAP to display the factorial of a number. CLICK
- WAP to check a number is prime or not. CLICK
- WAP to check a number is perfect or not. CLICK
- WAP to check a number is strong or not. CLICK
- WAP to display the prime numbers in a range. CLICK
- WAP to display the first n perfect numbers.
- WAP to display the first n strong numbers.
- WAP to check a year is leap year or not. CLICK
- WAP to check a number is palindrome or not.
- List- print(), append(), insert().
- List - len(),max(),min().append(),insert().
- Searching in a list.
- Common elements in lists.
Skill Enhancement Courses (SEC) - c language
Question Set - 1
1. What is high level language?
2. Comparison of high level language and machine level language.
3. What do you mean by compiler?
4. Advantages and disadvantages of flowchart.
5. Advantages and disadvantages of algorithm.
6. Size of datatype- int,char,float.
7. Difference between prefix++ and postfix ++.
8. Example of logical operator and bitwise operator.
9. Difference between while loop and do-while loop.
10. Difference between while loop and for loop.
11. Difference between break and continue.
12. Difference between variable declaration and variable definition.
13. What do you mean by subscripted variable.
14. What do you mean by dynamic memory alloaction?
15. Write a c program to swap two values using 3rd variable.
16. Write a c program to swap two values without using 3rd variable.
17. Write a c program to find n!.
18. Write a c program to compute nCr, nPr.
19. Write a c program to largest and smallest number from a set of n numbers using array.
20. Write a c program to sort n numbers in ascending order.
21. Write a c program to sort n numbers in descending order.
22. Write a c program to perform addition,subtraction, multiplication of matrices.
Saturday, September 21, 2019
array insertion deletion using c++
edited by:: Subhrajit Gorai
CMSA 1st sem
source code::
#include<iostream>
#include<conio.h>
using namespace std;
class Array{
int
arr[100],l,e,n;
public:
void
input(){
cout<<"Enter
the length of the array :";
cin>>l;
cout<<"Enter
the elements of the array :\n";
for(int
i=0;i<l;i++)
cin>>arr[i];
}
void
output(){
cout<<"\nThe
elements of the array :\n";
for(int
i=0;i<l;i++)
cout<<arr[i]<<"
, ";
}
void
insert_At_Begin(){
cout<<"\nEnter
the elements to be inserted in the array :\n";
cin>>e;
l++;
for(int
i=l-2;i>=0;i--){
arr[i+1]=arr[i];
}
arr[0]=e;
output();
}
void
del_At_Begin(){
l--;
for(int
i=0;i<l;i++)
arr[i]=arr[i+1];
output();
}
void
insert_At_End(){
cout<<"\nEnter
the elements to be inserted in the array :\n";
cin>>e;
l++;
arr[l-1]=e;
output();
}
void
del_At_End(){
l--;
output();
}
void
insert_At_Index(){
cout<<"Enter
the position of the array where the element is to be inserted :";
cin>>n;
while(n>l||n<0){
cout<<"\nINVALID
POSITION entered........!!!!";
cout<<"\nEnter
the position of the array where the element is to be AGAIN :";
cin>>n;
}
cout<<"\nEnter
the elements to be inserted in the array :\n";
cin>>e;
l++;
--n;
for(int
i=l-2;i>=n;i--){
arr[i+1]=arr[i];
}
arr[n]=e;
output();
}
void
del_At_Index(){
cout<<"\nEnter
the position of the array where the element is to be Deleted :";
cin>>n;
while(n>l||n<0){
cout<<"\nINVALID
POSITION entered........!!!!";
cout<<"\nEnter
the position of the array where the element is to be AGAIN :";
cin>>n;
}
n=n-1;
for(int
i=n;i<l;i++)
arr[i]=arr[i+1];
l--;
output();
}
void
cho(){
int
c;
cout<<"\n\n 1. Insert Element at the Begining.\n 2. Insert Element at the End.\n 3. Insert Element at any desired
position.\n 4. Delete Element at the
Begining.\n 5. Delete Element at the
End.\n 6. Delete Element at any desired
position.\n 7. Exit\n";
cout<<"\nEnter
the choice:";
cin>>c;
switch
(c)
{
case
1:
insert_At_Begin();
break;
case
2:
insert_At_End();
break;
case
3:
insert_At_Index();
break;
case
4:
del_At_Begin();
break;
case
5:
del_At_End();
break;
case
6:
del_At_Index();
break;
case
7: exit(0);
default
:cout<<" Wrong Choice!!!!\n Enter the choice Again.... ";
cho();
}
}
};
int
main(){
int
s=0;
Array
ob;
ob.input();
ob.output();
for(int
k=0;;k++)
ob.cho();
getch();
return
0;
}
output::
Sunday, August 4, 2019
basic operator in vb6
Private Sub Form_Load()
Dim a, b, c, d, e, f As Integer
a = 5
b = 4
c = a + b
d = a - b
e = a * b
f = a / b
MsgBox ("sum=" & c & vbCrLf & "differnce=" & d & vbCrLf & "multiplication=" & e & vbCrLf & "division=" & f)
End Sub
output
Tuesday, May 7, 2019
synchronization
class PrintTable{
//synchronized method.
public synchronized void printTable(int n){
System.out.println("Table of " + n);
for(int i=1;i<=10;i++){
System.out.println(n*i);
try{
Thread.sleep(500);
}catch(Exception e){
System.out.println(e);
}
}
}
}
class MyThread1 extends Thread{
PrintTable pt;
MyThread1(PrintTable pt){
this.pt=pt;
}
public void run(){
pt.printTable(2);
}
}
class MyThread2 extends Thread{
PrintTable pt;
MyThread2(PrintTable pt){
this.pt=pt;
}
public void run(){
pt.printTable(5);
}
}
public class p1{
public static void main(String args[]){
//creating PrintTable object.
PrintTable obj = new PrintTable();
//creating threads.
MyThread1 t1=new MyThread1(obj);
MyThread2 t2=new MyThread2(obj);
//start threads.
t1.start();
t2.start();
}
}
C:\Users\Com science\Documents>java p1
Table of 2
2
4
6
8
10
12
14
16
18
20
Table of 5
5
10
15
20
25
30
35
40
45
50
C:\Users\Com science\Documents>
with out synchronization
class PrintTable{
public void printTable(int n){
// synchronized(this){
System.out.println("Table of " + n);
for(int i=1;i<=10;i++){
System.out.println(n*i);
try{
Thread.sleep(500);
}catch(Exception e){
System.out.println(e);
}
}
//}
}
}
class MyThread1 extends Thread{
PrintTable pt;
MyThread1(PrintTable pt){
this.pt=pt;
}
public void run(){
pt.printTable(2);
}
}
class MyThread2 extends Thread{
PrintTable pt;
MyThread2(PrintTable pt){
this.pt=pt;
}
public void run(){
pt.printTable(5);
}
}
public class p1{
public static void main(String args[]){
//creating PrintTable object.
PrintTable obj = new PrintTable();
//creating threads.
MyThread1 t1=new MyThread1(obj);
MyThread2 t2=new MyThread2(obj);
//start threads.
t1.start();
t2.start();
}
}
C:\Users\Com science\Documents>java p1
Table of 5
5
Table of 2
2
4
10
6
15
20
8
10
25
12
30
35
14
16
40
45
18
50
20
C:\Users\Com science\Documents>
synchronization
class PrintTable{
public void printTable(int n){
synchronized(this){
System.out.println("Table of " + n);
for(int i=1;i<=10;i++){
System.out.println(n*i);
try{
Thread.sleep(500);
}catch(Exception e){
System.out.println(e);
}
}
}
}
}
class MyThread1 extends Thread{
PrintTable pt;
MyThread1(PrintTable pt){
this.pt=pt;
}
public void run(){
pt.printTable(2);
}
}
class MyThread2 extends Thread{
PrintTable pt;
MyThread2(PrintTable pt){
this.pt=pt;
}
public void run(){
pt.printTable(5);
}
}
public class p1{
public static void main(String args[]){
//creating PrintTable object.
PrintTable obj = new PrintTable();
//creating threads.
MyThread1 t1=new MyThread1(obj);
MyThread2 t2=new MyThread2(obj);
//start threads.
t1.start();
t2.start();
}
}
C:\Users\Com science\Documents>java p1
Table of 2
2
4
6
8
10
12
14
16
18
20
Table of 5
5
10
15
20
25
30
35
40
45
50
C:\Users\Com science\Documents>
public void printTable(int n){
synchronized(this){
System.out.println("Table of " + n);
for(int i=1;i<=10;i++){
System.out.println(n*i);
try{
Thread.sleep(500);
}catch(Exception e){
System.out.println(e);
}
}
}
}
}
class MyThread1 extends Thread{
PrintTable pt;
MyThread1(PrintTable pt){
this.pt=pt;
}
public void run(){
pt.printTable(2);
}
}
class MyThread2 extends Thread{
PrintTable pt;
MyThread2(PrintTable pt){
this.pt=pt;
}
public void run(){
pt.printTable(5);
}
}
public class p1{
public static void main(String args[]){
//creating PrintTable object.
PrintTable obj = new PrintTable();
//creating threads.
MyThread1 t1=new MyThread1(obj);
MyThread2 t2=new MyThread2(obj);
//start threads.
t1.start();
t2.start();
}
}
C:\Users\Com science\Documents>java p1
Table of 2
2
4
6
8
10
12
14
16
18
20
Table of 5
5
10
15
20
25
30
35
40
45
50
C:\Users\Com science\Documents>
nested try
import java.util.*;
public class p1 {
public static void main(String[] args) {
try {
System.out.println("Outer try block starts");
try {
System.out.println("Inner try block starts");
int res = 5 / 0;
} catch (InputMismatchException e) {
System.out.println("InputMismatchException caught");
} finally {
System.out.println("Inner final");
}
} catch (ArithmeticException e) {
System.out.println("ArithmeticException caught");
} finally {
System.out.println("Outer finally");
}
}
}
C:\Users\Com science\Documents>java p1
Outer try block starts
Inner try block starts
Inner final
ArithmeticException caught
Outer finally
C:\Users\Com science\Documents>
text box and command button
import java.awt.*;
import java.awt.event.*;
class p1 extends Frame implements ActionListener{
TextField tf;
p1(){
tf=new TextField();
tf.setBounds(60,50,170,20);
Button b=new Button("click me");
b.setBounds(100,120,80,30);
b.addActionListener(this);
add(b);add(tf);
setSize(300,300);
setLayout(null);
setVisible(true);
}
public void actionPerformed(ActionEvent e){
tf.setText("Welcome");
}
public static void main(String args[]){
new p1();
}
}
import java.awt.event.*;
class p1 extends Frame implements ActionListener{
TextField tf;
p1(){
tf=new TextField();
tf.setBounds(60,50,170,20);
Button b=new Button("click me");
b.setBounds(100,120,80,30);
b.addActionListener(this);
add(b);add(tf);
setSize(300,300);
setLayout(null);
setVisible(true);
}
public void actionPerformed(ActionEvent e){
tf.setText("Welcome");
}
public static void main(String args[]){
new p1();
}
}
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